CREATE TABLE [dbo].[upgrade_files](
    [file_id] [int] IDENTITY(1,1) NOT NULL,
    [file_name] [nvarchar](max) NULL,
    [file_md5] [nvarchar](max) NULL,
    [file_path] [nvarchar](max) NULL,
    [upload_time] [DateTime] NULL,
    [length] [int] NULL,
    [state] [int] NOT NULL,
 PRIMARY KEY("file_id")
)